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On June 3, Chen Wei, an academician of the Chinese Academy of Engineering, stated at a forum that the vaccine can be injected subcutaneously or inhaled through nasal spray.
The so-called nebulized inhalation immunity is the use of a nebulizer to atomize the vaccine into tiny particles, which enter the respiratory tract and lungs through breathing inhalation, thereby stimulating mucosal immunity, which cannot be brought by intramuscular injection